Creamy Drunken Chicken with Mushrooms - Serving Dumplings

Ingredients

• 4 chicken fillets
• salt (to taste)
• black pepper (to taste)
• 1 tsp sweet paprika
• 9 ounces cremini mushrooms (sliced)
• 1 brown onion (finely chopped)
• 4 garlic cloves (minced)
• 2 tbsp olive oil
• 1 tbsp unsalted butter
• ⅔ cup dry white wine (like Chardonnay)
• ¾ cup heavy cream
• 1 ounce grated Parmesan
• 1 tbsp balsamic vinegar
• 2 tbsp chopped parsley (more for serving)